英语语法分析

Ancient Greek has two nasals: the bilabial nasal and the alveolar nasal.

古希腊语中有两个鼻音：双唇鼻音和齿龈鼻音。

The alveolar macrophage is derived largely from the bone marrow.

肺泡巨噬细胞主要是从骨髓中分化出来的。

Or place tongue on alveolar ridge, the area behind your top teeth.

或者把舌头放在上颚，上排门牙的后面。